| Vendor | Spec | Unit | Price | Currency | Date |
| Xinyang Xinchen | China national standards | MT | 513.74 | USD | 20251011 |
| Xinyang Xinchen | China national standards | MT | 513.74 | USD | 20251010 |
| Xinyang Xinchen | China national standards | MT | 513.35 | USD | 20251009 |
| Xinyang Xinchen | China national standards | MT | 492.58 | USD | 20250930 |
| Xinyang Xinchen | China national standards | MT | 492.34 | USD | 20250929 |
| Xinyang Xinchen | China national standards | MT | 491.9 | USD | 20250928 |
| Xinyang Xinchen | China national standards | MT | 491.9 | USD | 20250926 |
| Xinyang Xinchen | China national standards | MT | 478.49 | USD | 20250925 |
| Xinyang Xinchen | China national standards | MT | 478.49 | USD | 20250924 |
| Xinyang Xinchen | China national standards | MT | 478.49 | USD | 20250923 |